*''A Census of Pensioners for Revolutionary or Military Services: With their Names, Ages, and Places of Residence, as Returned by the Marshalls of the Several Judicial Districts, Under the Act for Taking the Sixth Census''. Washington, D.C., 1841. {{FHL|973 X2pc 1840}}; {{FHL|2321}}; digital version at [http://books.google.com/books?id=W7JYAAAAMAAJ&pg=PA188&lpg=PA188 Google Books]. [See Illinois, Mercer County on page 187.]

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*''A Census of Pensioners for Revolutionary or Military Services: With their Names, Ages, and Places of Residence, as Returned by the Marshalls of the Several Judicial Districts, Under the Act for Taking the Sixth Census''. Washington, D.C., 1841. {{FHL|973 X2pc 1840}}; {{FHL|2321}}; digital version at [http://books.google.com/books?id=W7JYAAAAMAAJ&pg=PA187&lpg=PA187 Google Books]. [See Illinois, Mercer County on page 187.]

Cemeteries

Illinois cemetery records often identify birth, death, relationship, and military information, as well as religious affiliation.

Find A Grave can be searched by the name of a person or family to find where a person is buried. Usually gives birth and death dates often with a picture of the tombstone. May give obituaries, names of family members and links to their information in Find A Grave.

1840 Pensioners

A Census of Pensioners for Revolutionary or Military Services: With their Names, Ages, and Places of Residence, as Returned by the Marshalls of the Several Judicial Districts, Under the Act for Taking the Sixth Census. Washington, D.C., 1841. FHL 973 X2pc 1840; FHL 2321; digital version at Google Books. [See Illinois, Mercer County on page 187.]

Local Histories

Historical Encyclopedia of Illinois and History of Mercer County. Chicago: Munsell Pub. Co., 1903. Digital version at Ancestry ($).

Maps

Military

Civil WarCivil War service men from Mercer County served in various regiments. Men often joined a company (within a regiment) that originated in their county. Listed below are companies or regiments that were formed from men of Mercer County.

Newspapers

Probate

Taxation

Vital Records

Societies and Libraries

The Essley-Noble Museum located at 1406 SE 2nd Ave. in Aledo Illinois is a friendly and well staffed genealogy resource for those researching Mercer County.They specialize in having an INDEXED cross-referenced obituary collection going back to the early publication dates for the local papers. They also have microfilms available for these papers. They just completed (2010) a project for all the cemeteries in the county which contains GPS locations, which is particularly useful when trying to locate the small and hidden cemeteries in the townships.Their current project is collecting civil war veteran photos, biographies, histories from Illinois, specifically in Mercer County.Although the genealogy section is in a corner of the Museum it is well worth the visit. The majority of the building is devoted to collections of period attire, house wares and other antiques.Visit their web site at mcmuseum@frontier.com for current hours (the volunteers currently staff the facility three days a week) and other details. The mailing address is PO Box 269 Aledo, IL 81231,